Route One Investment Company, L.P.
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$2.35B
Q ending 2026-03-31
Prior quarter
$2.69B
Q ending 2025-12-31
Change
-12.7% QoQ · -2.1% YoY
Positions
19
reported holdings
Largest positions
All 19 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Post Hldgs Inc | POST | Shares | $291.7M | 3.0M |
| Guidewire Software Inc | GWRE | Shares | $276.6M | 1.8M |
| Amazon Com Inc | AMZN | Shares | $215.0M | 1.0M |
| New York Times Co | NYT | Shares | $205.9M | 2.5M |
| Alphabet Inc | GOOG | Shares | $197.7M | 689K |
| Schwab Charles Corp | SCHW | Shares | $158.1M | 1.7M |
| Unitedhealth Group Inc | UNH | Shares | $144.2M | 533K |
| Thermo Fisher Scientific Inc | TMO | Shares | $127.2M | 259K |
| Herbalife Ltd | Shares | $121.1M | 8.2M | |
| Kilroy Rlty Corp | KRC | Shares | $114.2M | 4.0M |
| Vista Energy S.A.B. De C.V. | VIST | Shares | $91.8M | 1.2M |
| Mercadolibre Inc | MELI | Shares | $77.4M | 45K |
| Essex Ppty Tr Inc | ESS | Shares | $72.1M | 298K |
| Spdr S&P 500 Etf Tr | SPY | Put | $65.0M | 100K |
| Bbb Foods Inc | Shares | $54.1M | 1.5M | |
| Procore Technologies Inc | PCOR | Shares | $52.3M | 918K |
| Veeva Sys Inc | VEEV | Shares | $32.0M | 182K |
| Grupo Financiero Galicia S.A | GGAL | Shares | $27.1M | 579K |
| Banco Macro Sa | BMA | Shares | $25.7M | 332K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.